Features: Can expand your system and storage capacity with an additional hard drive Modular construction, you can just remove the CD driver and put this in the slot Support installation of 2nd operating system on the 2nd HDD and boot selection Plug and play, easy to use This device accept 2.5"/9.5mm SATA HDD Dimension: 132 x 128 x 11 mm 4 mounting screws are included Compatibility: IBM thinkpad T60 T61 T60P T61P Package Content: 1 x HDD Caddy 4 x Screw Keywords: HDD caddy, HDD caddies